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  • Title: [Cutaneous vasculitis disclosing cat-scratch disease].
    Author: Schmoor P, Darie H, Maccari F, Gros P, Millet P.
    Journal: Ann Dermatol Venereol; 1998 Dec; 125(12):894-6. PubMed ID: 9922863.
    Abstract:
    BACKGROUND: We describe a case of cat-scratch disease ingnaugurated by vascular purpura and discuss the role of the causal agent, Bartonella henselae. CASE REPORT: A 49-year-old woman presented vascular purpura without fever. Skin biopsy demonstrated leukocytoclasic vasculitis. She owned a cat and a had a scratch scar on the back of her left hand. A few days later, two inflammatory epitrochlear lymph nodes suppurated. Catscratch disease was confirmed by serology and PRC analysis of pus aspirated from the nodes. The purpura resolved spontaneously in three weeks. Left axillary adenopathy developed and suppurated. In spite of four antibiotics, the nodes subsided only ten months later, leaving scars. DISCUSSION: Two arguments favor Bartonella henselae as the causal agent in this cutaneous vasculitis. The simultaneous onset of the two diseases and the absence of another cause of vasculitis. This patient did not have Bartonella henselae endocarditis which could have explained this vasculitis. Only one case of hypersensitivity vasculitis has been described during cat-scratch disease. The exceptional feature of this association is perhaps the result of the unawareness of moderate or asymptomatic cat-scratch disease. Bartonella henselae was possibility caused hypersensitivity vasculitis.
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